ST72521 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72521

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

STMicroelectronics 

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ST72521

SERIAL PERIPHERAL INTERFACE (Cont’d)

Table 19. SPI Register Map and Reset Values

Address

(Hex.)

0021h

0022h

0023h

Register

Label

SPIDR

Reset Value

SPICR

Reset Value

SPICSR

Reset Value

7

MSB

x

SPIE

0

SPIF

0

6

x

SPE

0

WCOL

0

5

x

SPR2

0

OR

0

4

x

MSTR

0

MODF

0

3

x

CPOL

x

0

2

x

CPHA

x

SOD

0

1

x

SPR1

x

SSM

0

0

LSB

x

SPR0

x

SSI

0

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